Home / 76,176.94-114,295.47-55,143.45

Finding the Fourth Proportional to 76,176.94, 114,295.47 and 55,143.45

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Solution

The fourth proportional to 76,176.94, 114,295.47 and 55,143.45 is: 82,736.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,176.94 : 114,295.47 = 55,143.45 : x
  2. Step 2: Convert to fraction form
    76,176.94/114,295.47 = 55,143.45/x
  3. Step 3: Cross multiply
    76,176.94x = 114,295.47 × 55,143.45
  4. Step 4: Simplify right side
    76,176.94x = 6,302,646,535.17
  5. Step 5: Solve for x
    x = 6,302,646,535.17/76,176.94
  6. Step 6: Final answer
    x = 82,736.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.